Home / 36,314.60-50,115.94-20,404.04

Finding the Fourth Proportional to 36,314.60, 50,115.94 and 20,404.04

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Solution

The fourth proportional to 36,314.60, 50,115.94 and 20,404.04 is: 28,158.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,314.60 : 50,115.94 = 20,404.04 : x
  2. Step 2: Convert to fraction form
    36,314.60/50,115.94 = 20,404.04/x
  3. Step 3: Cross multiply
    36,314.60x = 50,115.94 × 20,404.04
  4. Step 4: Simplify right side
    36,314.60x = 1,022,567,644.40
  5. Step 5: Solve for x
    x = 1,022,567,644.40/36,314.60
  6. Step 6: Final answer
    x = 28,158.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.